16
ENGINE
113
16.4.8
Checking the cylinder head
308100-01
–
Check valve guides
1
with the special tool.
Limit plug gauge (77029026000) (
p. 193)
» If the special tool is easy to insert into the valve guide:
–
Change the valve guides and valves.
–
Check the sealing area of the spark plug thread and the valve seats for damage and
tearing.
» If there is wear or tearing:
–
Change the cylinder head.
308101-01
–
Check the sealing area of the cylinder for distortion using a straight edge and the
special tool.
Feeler gauge (59029041100) (
p. 190)
Cylinder/cylinder head - distortion of
sealing area
≤
0.10 mm (
≤
0.0039 in)
» If the measured value does not equal the specified value:
–
Change the cylinder head.
302808-10
–
Check sealing seat
A
of the valves.
Valve - sealing seat width
Intake
0.90… 1.10 mm (0.0354…
0.0433 in)
Valve - sealing seat width
Exhaust
0.90… 1.10 mm (0.0354…
0.0433 in)
» If the measured value does not equal the specified value:
–
Machine the valve seat.
–
Blow compressed air through all oil holes and check that they are clear.
16.4.9
Checking the pivot point of the camshafts
308091-01
–
Check the pivot points of the camshafts.
» If there is damage or wear:
–
Change the cylinder head with the camshaft bearing bridge.
308088-01
–
Position the camshafts.
The valves are not actuated.
–
Insert the
Plastigauge
clearance gauge in area
A
.
Plastigauge
measuring strips (60029012000) (
p. 190)
Содержание 390 Duke 2014 COL 2013
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Страница 199: ...28 SPECIAL TOOLS 197 Mounting tool 200634 10 Art no T528S Clamping stand 200638 10 Art no T612S ...
Страница 204: ... 3206167en 3206167en 07 2013 KTM Sportmotorcycle AG 5230 Mattighofen Austria http www ktm com Photo Mitterbauer KTM ...